Safety-envelop.



N0. 797,277. PATENTED AUG.15, 1905. J. H. P. GRAZIER.

SAFETY ENVELOP.

APPLICATION FILED FEB. 5.1904.

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JOHN H. F. GRAZIER, OF J OHNSTO\V N, PENNSYLVANIA.

SAFE'fY-ENVELUW.

Specification of Letters Patent.

Patented Aug. 15, 1905.

Application filed February 5, 1904. Serial No. 192,130.

To all who/n it may concern.-

Be it known that I, JOHN H. F. GRAZIER, of Johnstown, in the county of Cambria and State of Pennsylvania, have invented a new and useful Safety-Envelop, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, which form a part of this specification.

My invention has relation to safety-envelops, and is designed to provide an envelop for use in transporting by the mails or express money, papers or other valuables which cannot be opened without destroying its usefulness and rendering the fact easy to detect.

The invention is also designed to provide an envelop of this character in which the fastening is entirely within and concealed by the closing-flap of the sealed envelop, so that it does not mar the appearance of the envelop and what is still more important presents no obstruction whatever to interfere with its ready passage through a stamp-canceling machine.

l/Vith this object in view my invention consists in an envelop having its closing portions provided with cooperating interlockable members of peculiar character which as the envelop is closed are pressed into locking engagement with each other.

My invention also consists in the novel construction and combination of parts, all as hereinafter described, and pointed out in the appended claims, reference being had. to the accompanying drawings, in which Figure 1 is a perspective view of an envelop embodying my invention; Fig. 2, a transverse section therethrough on the line of and through the looking or sealing device before sealing, and Fig. 3 a similar view showing the envelop sealed.

The letter A designates the back portion. of the body of the envelop, and B the closingflap. This flap is formed with the tongue extension I), in which are secured the two sealing members C and D. The member 0 consists of a short hollow tubular piece of thin flexible metal inserted through the flap, while the member D is in the form of a socket constructed to receive therein the said member C and formed with the offset annular recess cl at its bottom. When the envelop is ready to be sealed, the tongue I) is inserted into the envelop, with the sealing member D extending out through a hole I) provided therefor. The closing-flap B is then brought down. (this flap may also be gummed in the usual manner) and the member 0 is pressed forcibly into the member D, thereby caus ing its end portion. to flange outwardly into the recess (Z in. the manner clearly shown in Fig. The parts can be pressed together so closely and be thereby flattened to such an extent as to scarcely increase the visible bulk of the envelop. If an attempt be made to open the envelop, one or both of the members will tear out of the paper before they will separate, as will be readily apparent from the drawings. Any desired number of these fastenings may be used upon an envelop according to its size. Owing to the manner in which. the tongue I) is arranged, so that while it carries both members of the fastening, it is nevertheless entirely within and concealed by the closing-flap B, the exterior of the envelop is entirely free from any obstruction which mars its appearance or interferes with its passage through a caneeling-machine. In fact, such passage simply operates to close the fastening the more securely.

It will. be obvious that the particular construction and manner of sealing the locking members may be ehal'iged without departing from the spirit and scope of my invention as defined in and by the following claims; Hence I do not wish to be limited to the particular embodiment thereof which I have herein. shown and described.

Having thusdeseribed my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination with an envelop having its closing-flap provided with a tongue extension arranged to fold partly inside of the envelop and partly underneath the closing-flap of the same, and entirely concealed by said flap, of two interlockable sealing members secured to the said tongue extension and arranged to interlock with each other through the said back portion.

2. The combination with an envelop having its closing-flap provided with a tongue extension, one portion of which extends within the envelop when the latter is closed, and the other portion of which lies outside of the envelop but underneath said closing-flap and concealed thereby, of cooperating interlocking members secured to the said. tongue extension and arranged to interlock through l of the said extensions and arranged to enthe back portion of the envelop, substanl gage each other through the back of the entially as described. velop underneath the Hep.

B. The herein-described safetyenvelop In testimony whereof I have a'ffixed my having its closing-flap provided with a foldsignature in presence of two Witnesses.

able tongue extension, arranged so that one JOHN H. F GRAZIER.

part thereof will be Within the envelop and the other part thereof entirely underneath Witnesses: the said closn1g'llap, and two interlocking G. H. COLE, fastening members, carried one by each part F. GOVIER. 

